2018–19 Olympiacos F.C. season

The 2018–19 season was Olympiacos's 60th consecutive season in the Super League Greece and their 93nd year in existence. They also participated in the Greek Football Cup, where they reached the quarter-finals, and in the UEFA Europa League, where they reached the round of 32. For the second consecutive season, Olympiacos did not win any competition. This was their first consecutive trophyless seasons since 1994–95 to 1995–96.

Overview
{| class="wikitable" style="text-align: center" !rowspan=2|Competition !colspan=8|Record !G !W !D !L !GF !GA !GD !Win %
 * Super League Greece
 * Super League Greece


 * Greek Cup
 * Greek Cup


 * UEFA Europa League
 * UEFA Europa League

! Total

Appearances

 * Last updated on 14 April 2019.

! colspan=14 style=background:#dcdcdc; text-align:center|Goalkeepers

! colspan=14 style=background:#dcdcdc; text-align:center|Defenders

! colspan=14 style=background:#dcdcdc; text-align:center|Midfielders

! colspan=14 style=background:#dcdcdc; text-align:center|Forwards

! colspan=14 style=background:#dcdcdc; text-align:center| Players who have made an appearance or had a squad number this season but have been loaned out or transferred


 * }